//
//  SidContainer.mm
//  sidplay
//
//  Created by Christopher Snowhill on 12/8/14.
//  Copyright 2014 __NoWork, Inc__. All rights reserved.
//

#import "SidContainer.h"
#import "SidDecoder.h"

#import "Logging.h"

@implementation SidContainer

+ (NSArray *)fileTypes
{
    return [SidDecoder fileTypes];
}

+ (NSArray *)mimeTypes 
{
	return nil;
}

+ (float)priority
{
    return 0.5f;
}

+ (NSArray *)urlsForContainerURL:(NSURL *)url
{
    if ([url fragment]) {
        // input url already has fragment defined - no need to expand further
        return [NSMutableArray arrayWithObject:url];
    }
    
    id audioSourceClass = NSClassFromString(@"AudioSource");
    id<CogSource> source = [audioSourceClass audioSourceForURL:url];
    
    if (![source open:url])
        return 0;
    
    if (![source seekable])
        return 0;
    
    [source seek:0 whence:SEEK_END];
    long size = [source tell];
    [source seek:0 whence:SEEK_SET];
    
    void * data = malloc(size);
    [source read:data amount:size];

    SidTune * tune = new SidTune( (const uint_least8_t*)data, size );
    
    if (!tune->getStatus())
        return 0;
    
    const SidTuneInfo * info = tune->getInfo();
    
    unsigned int subsongs = info->songs();

    delete tune;
    
    NSMutableArray *tracks = [NSMutableArray array];

    for (unsigned int i = 1; i <= subsongs; ++i)
    {
        [tracks addObject:[NSURL URLWithString:[[url absoluteString] stringByAppendingFormat:@"#%i", i]]];
    }
    
	return tracks;
}


@end